Olympus DM-420 - Manual (Page 121)

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Troubleshooting
Symptom Probable cause Action
Nothing appears on
the display
The batteries are not loaded properly. Verify that the batteries’ polarities =
and - are correct (☞ P.14).
Battery power is getting low. Replace with new batteries (☞ P.14).
The power is off. Turn the power on (☞ P.18).
Won’t start
Battery power is getting low. Replace with new batteries (☞ P.14).
The power is off. Turn the power on (☞ P.18).
The recorder is in HOLD mode.
Release the recorder from HOLD
(☞ P.19).
Unable to record
Low remaining memory. Erase unnecessary files (☞ P.42).
The maximum number of files has
been reached.
Change to the another folder
(☞ P.24 to P.27).
No playback tone
heard
The earphone is connected.
Unplug the earphones to use the
internal speaker.
The volume level is set to [00]. Adjust the volume level (☞ P.33).
The recording level has not been
adjusted.
Adjust the recording level and then try
recording once more (☞ P.47).
Recording level too
low
The microphone sensitivity is too low.
Set the microphone sensitivity to
[High] or [Middle] mode and try again
(☞ P.47).
This could potentially be because
the output level for the connected
external devices are too low.
Adjust the output level for the
connected devices.
[Cannot play this file] File which cannot be
played.
Incompatible format.
Please confirm the file
that can be played on
this recorder.
[Please Select The
File]
Unselected File File is not selected.
Please select a file then
carry out the operation.
[Same folder. Can't
be moved(copied).]
File cannot be moved
(copied).
Attempting to move (copy)
into the same folder.
Please select another
folder.
[Some files. Can't be
moved(copied).]
File cannot be moved
(copied).
File in the destination
with the same name, or
file with DRM.
Please select another file.
[This file can't be
divided.]
File which cannot be
split.
Attempting to split a file
besides the PCM files
recorded in this recorder.
Please select another file.
Alarm message list/Troubleshooting